2ba891788b
* lua: generate packages from luarocks * luarocks-nix: update * removed packages already available in nixpkgs * adressing reviews update script can now accept another csv file as input with -c * Remove obsolete comment
99 lines
3.1 KiB
Bash
99 lines
3.1 KiB
Bash
# Inspired by python/wrapper.nix
|
|
# Wrapper around wrapLuaProgramsIn, below. The $luaPath
|
|
# variable is passed in from the buildLuarocksPackage function.
|
|
set -e
|
|
|
|
wrapLuaPrograms() {
|
|
wrapLuaProgramsIn "$out/bin" "$out $luaPath"
|
|
}
|
|
|
|
# Builds environment variables like LUA_PATH and PATH walking through closure
|
|
# of dependencies.
|
|
buildLuaPath() {
|
|
local luaPath="$1"
|
|
local path
|
|
|
|
# Create an empty table of paths (see doc on loadFromPropagatedInputs
|
|
# for how this is used). Build up the program_PATH and program_LUA_PATH
|
|
# variables.
|
|
declare -A luaPathsSeen=()
|
|
program_PATH=
|
|
luaPathsSeen["@lua@"]=1
|
|
addToSearchPath program_PATH @lua@/bin
|
|
for path in $luaPath; do
|
|
addToLuaPath "$path"
|
|
done
|
|
}
|
|
|
|
|
|
# with an executable shell script which will set some environment variables
|
|
# and then call into the original binary (which has been given a .wrapped suffix).
|
|
# luaPath is a list of directories
|
|
wrapLuaProgramsIn() {
|
|
local dir="$1"
|
|
local luaPath="$2"
|
|
local f
|
|
|
|
buildLuaPath "$luaPath"
|
|
|
|
if [ ! -d "$dir" ]; then
|
|
nix_debug "$dir not a directory"
|
|
return
|
|
fi
|
|
|
|
nix_debug "wrapping programs in [$dir]"
|
|
|
|
# Find all regular files in the output directory that are executable.
|
|
find "$dir" -type f -perm -0100 -print0 | while read -d "" f; do
|
|
# Rewrite "#! .../env lua" to "#! /nix/store/.../lua".
|
|
# Strip suffix, like "3" or "2.7m" -- we don't have any choice on which
|
|
# Lua to use besides one with this hook anyway.
|
|
if head -n1 "$f" | grep -q '#!.*/env.*\(lua\)'; then
|
|
sed -i "$f" -e "1 s^.*/env[ ]*\(lua\)[^ ]*^#! @executable@^"
|
|
fi
|
|
|
|
# wrapProgram creates the executable shell script described
|
|
# above. The script will set LUA_(C)PATH and PATH variables!
|
|
# (see pkgs/build-support/setup-hooks/make-wrapper.sh)
|
|
local -a wrap_args=("$f"
|
|
--prefix PATH ':' "$program_PATH"
|
|
--prefix LUA_PATH ';' "$NIX_LUA_PATH"
|
|
--prefix LUA_CPATH ';' "$NIX_LUA_CPATH"
|
|
)
|
|
|
|
# Add any additional arguments provided by makeWrapperArgs
|
|
# argument to buildLuaPackage.
|
|
# makeWrapperArgs
|
|
local -a user_args="($makeWrapperArgs)"
|
|
local -a wrapProgramArgs=("${wrap_args[@]}" "${user_args[@]}")
|
|
|
|
# see setup-hooks/make-wrapper.sh
|
|
wrapProgram "${wrapProgramArgs[@]}"
|
|
|
|
done
|
|
}
|
|
|
|
# Adds the lib and bin directories to the LUA_PATH and PATH variables,
|
|
# respectively. Recurses on any paths declared in
|
|
# `propagated-native-build-inputs`, while avoiding duplicating paths by
|
|
# flagging the directories it has visited in `luaPathsSeen`.
|
|
loadFromPropagatedInputs() {
|
|
local dir="$1"
|
|
# Stop if we've already visited here.
|
|
if [ -n "${luaPathsSeen[$dir]}" ]; then
|
|
return;
|
|
fi
|
|
luaPathsSeen[$dir]=1
|
|
|
|
addToLuaPath "$dir"
|
|
addToSearchPath program_PATH $dir/bin
|
|
|
|
# Inspect the propagated inputs (if they exist) and recur on them.
|
|
local prop="$dir/nix-support/propagated-native-build-inputs"
|
|
if [ -e "$prop" ]; then
|
|
local new_path
|
|
for new_path in $(cat $prop); do
|
|
loadFromPropagatedInputs "$new_path"
|
|
done
|
|
fi
|
|
}
|